Night Report 2019-04-26

Observers:

Matt Nicholl, Phil Short

Support Team:

Charlotte Angus, Miika Pursiainen, Phil Wiseman

TAT:

Stefan Taubenberger, Mariusz Gromadzki, Janet Chen

Calibrations:

EFOSC2

Bias

Dome flats + arcs

Weather:

Start of twilight: Light clouds, 50% humidity, 3.8m/s wind

Sunset 22:21, End Twilight 23:34

Good observing conditions, clouds cleared up early on, humidity and wind all in the green

Comments:

No observing during twilight - EFOSC2 tests carried out by operator after installation of new component

Coma in acquisition images after 19ape due to a focus issue - fixed by refocusing

Coma reappeared before the Std but was fixed again

EFOSC2